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161. The layer of computer OSI model which is concerned with addressing and routing is called
a. network
b. data link
c. physical
d. transport
Discuss
Answer: (a).network

162. Layer of computer OSI model which performs data compression is
a. network
b. data link
c. presentation
d. physical
Discuss
Answer: (d).physical

163. The layer of computer OSI model which furnishes electrical connections and signaling is known as
a. application
b. physical
c. session
d. network
Discuss
Answer: (b).physical

164. Layer of computer OSI model which provides services that directly supports user application is
a. application
b. presentation
c. transport
d. physical
Discuss
Answer: (a).application

165. The bottom layer of computer OSI model is
a. physical
b. data link
c. network
d. application
Discuss
Answer: (a).physical

166. The top most layer of computer OSI model is
a. application
b. session
c. transport
d. presentation
Discuss
Answer: (a).application

167. In computer, ISO stands for
a. international standards organization
b. independent system operator
c. infrared space observatory
d. international students organization
Discuss
Answer: (a).international standards organization

168. Layers present in a computer OSI model are
a. 4
b. 5
c. 6
d. 7
Discuss
Answer: (d).7

169. In computer, ISO developed in a city of Switzerland which is
a. Uster
b. Bern
c. Geneva
d. Basel
Discuss
Answer: (c).Geneva

170. The acronym OSI stands for ____ in computer networking.
a. Organization for Standards Institute
b. Open Systems Interconnection
c. Organizing Systems Interconnection
d. Open Systems Interworking
Discuss
Answer: (b).Open Systems Interconnection